... 1, Product Name: Nitrogen Machine/ N2 Gas EquipmentA full installation requires air compressor, refrigeration dryer, filters, air tank, ... 1. Metallurgy: For anneal protection, agglomeration protection, nitrogenizing, furnace washing and blowing, etc. Used in fields such as ... molecular sieve. 5. National patent valve guarantees stable equipment operation. 6. Air tank ensures stable system air ...